Home / 877,936.80-1,316,905.20-524,042.40

Finding the Fourth Proportional to 877,936.80, 1,316,905.20 and 524,042.40

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Solution

The fourth proportional to 877,936.80, 1,316,905.20 and 524,042.40 is: 786,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,936.80 : 1,316,905.20 = 524,042.40 : x
  2. Step 2: Convert to fraction form
    877,936.80/1,316,905.20 = 524,042.40/x
  3. Step 3: Cross multiply
    877,936.80x = 1,316,905.20 × 524,042.40
  4. Step 4: Simplify right side
    877,936.80x = 690,114,161,580.48
  5. Step 5: Solve for x
    x = 690,114,161,580.48/877,936.80
  6. Step 6: Final answer
    x = 786,063.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.